KK

Katsuyoshi Kumano

UN Unknown: 3 patents #7,366 of 83,584Top 9%
Overall (All Time): #1,196,622 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10435121 Surfboard fin attachment structure and surfboard 2019-10-08
9701371 Surfboard fin attachment structure and surfboard 2017-07-11
8393928 Fin attachment structure Daiki Takahashi 2013-03-12
8282434 Fin 2012-10-09